Heat gun



FIG. 1 is a front, right, and top perspective view of a heat gun showingour new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an enlarged view of the portion 8 in FIG. 1.

The broken lines in the drawings illustrate the portions of the heat gunwhich form no part of the claimed design.

The long dash short dash broken lines define the boundary of theenlargement area on FIG. 8 taken from FIG. 1 and form no part of theclaimed design.

CLAIM The ornamental design for a heat gun, as shown and described.